Senior Associate Cyber Security Architect

About the role

Santander is seeking a Senior Associate Cyber Security Architect to design, govern, and continuously improve secure architecture across its enterprise platforms, applications, and infrastructure. The role operates at the intersection of security engineering, enterprise architecture, and regulatory compliance within a highly regulated financial environment.

Key responsibilities

• Conduct threat modeling, security design reviews, and lead cybersecurity architecture risk assessments (ISARs).
• Define and maintain enterprise security architecture aligned with business strategy, policies, and reference architecture for cloud, hybrid, and on‑prem environments.
• Embed security controls early in the project lifecycle using a shift‑left model and partner with engineering, product, and business teams to translate risk into actionable design requirements.
• Architect and oversee encryption strategies for data at rest, in transit, and in use, including PKI, HSM, and certificate lifecycle processes (issuance, rotation, revocation, automation, PKI governance).
• Establish cryptographic key‑management standards and oversee key custody models.
• Ensure architectural compliance with regulatory and supervisory expectations.
• Support regulatory examinations, audits, and control‑validation activities.

Required profile

• Bachelor's degree or equivalent in Computer Science, Engineering, Information Technology Management, or a related field.
• 5+ years of experience in architecture within financial services or similarly regulated industries.
• Demonstrated experience operating in a shift‑left security model embedded with development and business teams.
• Cybersecurity experience preferred.

Required skills

• Threat modeling
• Security design review
• Cybersecurity architecture risk assessment (ISAR)
• Enterprise security architecture for cloud, hybrid, and on‑prem environments
• Encryption technologies: PKI, HSM, certificate lifecycle management
• Cryptographic key‑management